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FR697569A - Improvements to photographic films for the reproduction of images and sounds - Google Patents

Improvements to photographic films for the reproduction of images and sounds

Info

Publication number
FR697569A
FR697569A FR697569DA FR697569A FR 697569 A FR697569 A FR 697569A FR 697569D A FR697569D A FR 697569DA FR 697569 A FR697569 A FR 697569A
Authority
FR
France
Prior art keywords
sounds
reproduction
images
photographic films
photographic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR697569A publication Critical patent/FR697569A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/12—Cinematrographic processes of taking pictures or printing
    • G03C5/14—Cinematrographic processes of taking pictures or printing combined with sound-recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
FR697569D 1929-06-17 1930-06-17 Improvements to photographic films for the reproduction of images and sounds Expired FR697569A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US371351A US1831792A (en) 1929-06-17 1929-06-17 Photographic film for picture and sound reproduction

Publications (1)

Publication Number Publication Date
FR697569A true FR697569A (en) 1931-01-20

Family

ID=23463609

Family Applications (1)

Application Number Title Priority Date Filing Date
FR697569D Expired FR697569A (en) 1929-06-17 1930-06-17 Improvements to photographic films for the reproduction of images and sounds

Country Status (3)

Country Link
US (1) US1831792A (en)
DE (1) DE595180C (en)
FR (1) FR697569A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3959048A (en) * 1974-11-29 1976-05-25 Stanfield James S Apparatus and method for repairing elongated flexible strips having damaged sprocket feed holes along the edge thereof

Also Published As

Publication number Publication date
US1831792A (en) 1931-11-10
DE595180C (en) 1934-04-03

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